Answer:
What do you mean by that?
Explanation:
It is a printing press that is being shown, a form of machinery invented by Johannes Gutenberg around 1440 which was based around already invented screw presses. Here, a company, perhaps book or newspaper related, is busy using the printing press to making multiple copies of the same text again and again.
If you're talking about the Salem incident then 20 were killed and if you count those who died in prison it totals to 25.